19797052

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40903}}^1$

素因数の和:40929

約数の個数: 18

約数和(自身を含む): 38081624

約数和(自身を除く): 18284572

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40903, 81806, 163612, 449933, 899866, 1799732, 4949263, 9898526, 19797052]

約数ペア:

[(1, 19797052), (2, 9898526), (4, 4949263), (11, 1799732), (22, 899866), (44, 449933), (121, 163612), (242, 81806), (484, 40903)]